Having solved a 42-year-old mystery about lunar "streamers," the $280 million LADEE spacecraft is set to vaporize when it collides with the moon around April 21st.
Getting sick in space is no picnic. So scientists are sending bugs to the International Space Station, hoping to better predict some of the physical challenges that may befall astronauts when NASA eventually sends the first human mission to Mars.
The NASA spacecraft is designed to answer a 42-year-old mystery about lunar dust, but it's also snapping photos along the way.
The Chelyabinsk meteor was a 65-foot hunk of space rock that entered the Earth's atmosphere at about 12 miles per second before exploding with a force equal to 600,000 tons of TNT, enough to level buildings and send 1,200 people to local hospitals.